PIC18F85J90-I/PT Microchip Technology, PIC18F85J90-I/PT Datasheet - Page 6

• Manufacturer Part Number: PIC18F85J90-I/PT
• Description: IC PIC MCU FLASH 16KX16 80TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F85J90-I/PT

• Core Size: 8-Bit
• Program Memory Size: 32KB (16K x 16)
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, LVD, POR, PWM, WDT
• Number Of I /o: 67
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TFQFP
• Controller Family/series: PIC18
• No. Of I/o's: 67
• Ram Memory Size: 2KB
• Cpu Speed: 40MHz
• No. Of Timers: 4
• No. Of Pwm Channels: 2
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: AUSART, EUSART, I2C, SPI
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 67
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, DV164136, DM163030
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 12 Channel
• Package: 80TQFP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC162079 - HEADER MPLAB ICD2 18F85J90 64/80AC164328 - MODULE SKT FOR 80TQFP
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

MCP3909/PIC18F85J90 Single Phase Energy Meter Reference Design
DOCUMENT LAYOUT
DS51884A-page 6
This document describes how to use the MCP3909/PIC18F85J90 Single Phase
Energy Meter Reference Design as a development tool to emulate and debug firmware
on a target board. The manual layout is as follows:
• Chapter 1. “Product Overview” – Important information on using the MCP3909
• Chapter 2. “Hardware” – Includes detail on the function blocks of the meter
• Chapter 3. “PIC18F85J90 Calculation and Register Description” – This
• Chapter 4. “Meter Protocol and Timings”– Here is described the protocol used
• Chapter 5. “Meter Calibration” – This chapter provides detail on how to
• .Appendix A. “Schematic and Layouts” – Shows the schematic and layout
• Appendix B. “Bill of Materials” – Lists the parts used to build the meter.
3-Phase Energy Meter Reference Design including a getting started section that
describes wiring the line and load connections.
including the analog front end design, phase lock loop circuitry, and power supply
design.
section describes the digital signal flow for all power output quantities such as
RMS current, RMS voltage, active power, and apparent power. This section also
includes the calibration registers detail.
for accessing the registers includes commands that are used to interface to the
meter.
calibrate the meter. The PC calibration software that is included with the meter
automates the steps and calculations described in this chapter.
diagrams
© 2009 Microchip Technology Inc.